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Z45.010

Z45.010: Encounter for checking and testing of cardiac pacemaker pulse generator [battery]

Billable / specific codeICD-10-CMPOA exempt

Z45.010 is a billable, specific ICD-10-CM code for encounter for checking and testing of cardiac pacemaker pulse generator [battery]. It is valid for submission on a claim.

Check Z45.010 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Encounter for replacing cardiac pacemaker pulse generator [battery]

Excludes1 inherited from the categories above Z45.010

A category’s note binds every code beneath it.

Written on Z45.01: Encounter for adjustment and management of cardiac pacemaker

  • encounter for adjustment and management of automatic implantable cardiac defibrillator with synchronous cardiac pacemaker (Z45.02)

Written on Z45: Encounter for adjustment and management of implanted device

  • malfunction or other complications of device - see Alphabetical Index

Excludes2 inherited from the categories above Z45.010

Not part of this code, but both may be coded when both are present.

Written on Z45: Encounter for adjustment and management of implanted device

  • encounter for fitting and adjustment of non-implanted device (Z46.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Z45.010 is named in 11 Medicare coverage policies: 11 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56451Billing and Coding: Cardiac Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)
  • A56602Billing and Coding: Cardiac Rhythm Device Evaluation
  • A56737Billing and Coding: Cardiac Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)
  • A57038Billing and Coding: Surveillance of Implantable or Wearable Cardioverter Defibrillators (ICDs): Office, Hospital, Web, or Non-Web Based

Alphabetic index entries that lead here

  • Removal›cardiac pulse generator(battery) (end-of-life)
  • Test, tests, testing›cardiac pulse generator(battery)
  • Change›pacemaker›pulse generator
  • Checking›cardiac pacemaker›pulse generator
  • Fitting›CRT-P›pulse generator
  • Fitting›pacemaker›pulse generator
  • Worn out›cardiac›pacemaker›battery
  • Admission›adjustment›pacemaker›cardiac›pulse generator
  • Admission›adjustment›device NEC›implanted›cardiac›pacemaker›pulse generator

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Z45.01

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.